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Finding the Fourth Proportional to 223,813.14, 335,621.28 and 118,607.52

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Solution

The fourth proportional to 223,813.14, 335,621.28 and 118,607.52 is: 177,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,813.14 : 335,621.28 = 118,607.52 : x
  2. Step 2: Convert to fraction form
    223,813.14/335,621.28 = 118,607.52/x
  3. Step 3: Cross multiply
    223,813.14x = 335,621.28 × 118,607.52
  4. Step 4: Simplify right side
    223,813.14x = 39,807,207,680.03
  5. Step 5: Solve for x
    x = 39,807,207,680.03/223,813.14
  6. Step 6: Final answer
    x = 177,859.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.